Oil-burner.



A. E. HAUCK;

I .011, BURNER.

APPLICATION FILED JUNE 18, 1912.

. 5mm MT -z 3591M a H'om w Patented Apr. 7, 191i 130 I lx/v STATES r FFIUE.

ENT

OIL-BURNER.

Specification of Letters Patent.

Application filed June 18, 1912. Serial No. 704,320.

1 '0 all whom it may concern Be it known that I, ARTHUR E. HAUCK, a citizen of the United States, residing at Brooklyn, in the county of Kings and State. of New York, have invented certain'new and useful Improvements in Oil-Burners, of which the following is afull, clear, and exact specification.

This invention relates to oil burners, and has particular reference to burners for burning tar, heavy oils, etc., wherein both the air and the oil for combustion are preheated before the oil reaches the point of combustion.

The invention comprises the general organization of such a burner, together with various improvements in details of construction and arrangement of elements which will more fully appear in connection with the description of theaccompanying drawin'gs, wherein Figure 1 is a longitudinal elevation partly in section of a burner embodying the invention; and Fig. 2 is a transverse view on the line 22 of Fig. 1. I

1 represents an. oil supply pipe passing through a preheating chamber 2 and containing a needle valve 3 to control the flow,

the oil preferably being supplied under pressure. The pipe 1 is connected to a mixer 1 which consists of a casing having a connection for the oil pipe 1 and also for an air supply pipe 5 which leads from the prehcater tube, the air and oil pipes leading to a common mixing chamber 6 having a nozzle 7 which discharges into a longitudinally movable funnel 8.- The tunnel 8 is externally screw-threaded and screws into the end of the combustion chamber 11. 9, 9 comprise the segments of a divided secondary funnel, each of which is pivotally mounted at 10 on the shell of the combustion chamber 11. The

handles which support the segments 9 pass through slots in the shell. By securing the funnel 8 longitudinally relatively to the shell, it will be seen thatthe segments 9 will be more or less spread and thereby the admission of air through the slots 12 regulated.

13 represents handles for adjusting the segments 9 of the burner. The combustion chamber 11 comprises a hollow casting having air holes 14, and tapering toward its outer end 15 so that the incandescent gas issues in a solid flame from the. aperture and is desired.

uniform combustion is secured.

true when used 1n connection with is projected by the force of the blast of air to the desired point.

I In order to preheat the air, the combustron chamber 11 is formed at its outer end with an annular air chamber 16 to which Patented Apr. *1, i914,

the air inlet'pipe 17 will be connected at one side and diametrically opposite will be the air return pipe 18 which is connected to the preheater 2 and also there is a bypass connection 19 controlled by a three way valve the air pipe 5 which leads to the mixer i. 21 1s a cock which controls the supply of air.

The preheating chamber 2 is supported by a brace 22 which can be detached to permit removal as by fastenings 23.

In operation, both air and oil will pref erably be supplied'by pressure, in suitably controlled quantities, the air first passing through the heating chamber 16 and thence to the oil preheating chamber necessity, directly through the bypass 19 where a higher temperature of combustion The air and the vaporized oil will be mixed and ejected through the aper- 20 which permits the air to be supplied to 2, or in case of ture 7 in the form of an atomized spray which will pass through-the funnels 8 and 9 and completely burn -without deposit of carbon in the chamber 11, the flame issuing from the nozzle 15 and being directed where the heat is desired. It will. be seen that the air chamber 16 prevents burning out of the material of which the combustion chamber 11 is made and at the same time raises the air to a very high temperature.

By preheating the heavy oil with air outside the burner, and in advance of the point at which the oil passes through the oil controlling valve, the valve seat does not become clogged with carbon, tar or viscous ingredients of the oil, and a more regular and This is especially the adjustable guiding funnel 9, formed of two or more pieces which not only regulate the air sucked in for combustion, but also control the shape of the flame.

Various modificationsand changes in the specific. construction describedmay be made without departing from the scope of the invention.

Having thus described my invention, I declare that what I claim asnew and desire to secure by Letters Patent, is

1. In a heavy Oll burner, the combination with a combustion chamber and a mixing device for projecting a blast of air and oil therein, otmeans for regulatmg the amount at. the opposite end, of a mixing device ad j acent said funnel, an adjustable air regulating cone between said mixing device and said combustion chamber, an air'conduit between said air acket and sa1d mixing device, an oil conduit connected to said mix ing device and passing through a portion of said air conduit, said air conduit having a v by-pass about said portion of said air conduit, an oil regulating means in said oilconduit located between said mixing device and said air conduit, and a valve for controlling the flow of the heated air either directly through said by-pass to said mixing device or indirectly thereto around said oil conduit.

3. An oilburner comprising a hollow combustion chamber having a gas inlet at one end and a flame outlet at the opposite end, a multiple part funnel within said chamber adjacent said inlet, means for adjusting the parts of said funnel to regulate the admission of air to said combustion chamber, said means being concentric with said inlet opening and movable longitudinall thereof to expand and contract said funne and a fuel nozzle adjacent said inlet.

1-. An oil burner comprising a hollow combustion chamber having a gas inlet at one end and a flame outlet at the opposite end, an air jacket surrounding said flame outlet, a multiple part funnel within said chamber adjacent said inlet, means for adjustin the parts of said funnel to regulate the a mission of air to said combustion chamber, said means being concentric with said inlet opening and movable longitudinall thereof to expand and contract said funne and a fuel nozzle adjacent said inlet having connections respectively with said air jacket and a source of fuel.

In testimony whereof I afiix my signature, in presence of two witnesses.

' ARTHUR E. HAUCK' Witnesses J. S. WOOSTER,

G. N. KERR. 

